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Finding the Fourth Proportional to 24,107.60, 36,112.80 and 16,720.40

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Solution

The fourth proportional to 24,107.60, 36,112.80 and 16,720.40 is: 25,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,107.60 : 36,112.80 = 16,720.40 : x
  2. Step 2: Convert to fraction form
    24,107.60/36,112.80 = 16,720.40/x
  3. Step 3: Cross multiply
    24,107.60x = 36,112.80 × 16,720.40
  4. Step 4: Simplify right side
    24,107.60x = 603,820,461.12
  5. Step 5: Solve for x
    x = 603,820,461.12/24,107.60
  6. Step 6: Final answer
    x = 25,046.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.